Home / 15,882.26-22,017.90-15,039.62

Finding the Fourth Proportional to 15,882.26, 22,017.90 and 15,039.62

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Solution

The fourth proportional to 15,882.26, 22,017.90 and 15,039.62 is: 20,849.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,882.26 : 22,017.90 = 15,039.62 : x
  2. Step 2: Convert to fraction form
    15,882.26/22,017.90 = 15,039.62/x
  3. Step 3: Cross multiply
    15,882.26x = 22,017.90 × 15,039.62
  4. Step 4: Simplify right side
    15,882.26x = 331,140,941.84
  5. Step 5: Solve for x
    x = 331,140,941.84/15,882.26
  6. Step 6: Final answer
    x = 20,849.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.